Asked sloth recently. A. Sleep, a period of rest when the eyes are closed and there is little movement or thought, is a human definition and one that doesn't accurately describe how fish rest.
00:00 Mon 11th Jun 2001 A. From thecodonts, four legged reptiles, that existed during the Permian period and became extinct by the end of the Triassic. The thecodonts were also modern crocodiles ancestors. Q. What did
00:00 Mon 04th Jun 2001A. This theory, that animals display unusual behaviour, indicating an approaching earthquake, up to half an hour before it hits, has long been a subject of controversy and has both supporters and
00:00 Mon 04th Jun 2001A. Yes, but unlike the majority of fish, which are bony, sharks, along with skates and rays, have a skeleton made of cartilage, which sets them apart. A shark's cartilaginous skeleton makes them
00:00 Mon 04th Jun 2001A. Thanks to djtaz11398 for this question recently to see Sensei's answer click here. Basically, it depends how good YOUR diet is! Stick to fresh food where possible when feeding your dog, also
00:00 Sun 27th May 2001Thanks to Henryn for this question. A. Animals hibernate as a means of coping with food scarcity during winter months, usually in those parts of the world affected by seasonality. Whether an
00:00 Mon 28th May 2001Asked sabrinah recently. A. Surprisingly, they have the same number of neck bones, vertebra, as most other mammals: seven. However each vertebra is much longer than those of other mammals. A
00:00 Mon 28th May 2001Thanks to Ginbottle for this question. A. 'Parrot' is the commonly used generic name for a group of over 300 species of bird that belong to the order Psittaciformes. Confusingly it is also the
00:00 Mon 21st May 2001 A. Dogs fare quite satisfactorily on a vegetarian diet, but not cats. Cats are more specialised and there are several important factors to be considered before changing your cat to a vegetarian
00:00 Mon 21st May 2001 A. An electric eel's body has thousands of special cells, called electrolytes, which produce electric currents. The individual cells, which are modified muscle cells, are stacked together along
00:00 Mon 21st May 2001 A. It's vegetable: a grove of quaking aspen trees, or Populus tremuloides to give the tree its proper Latin name. The grove, in Utah, USA, weighs in at 6,600 tons and is the world's largest living
00:00 Tue 15th May 2001Asked Henryn recently. You can see Sensei's answer here or read The AnswerBanks extended answer here. A. No, although the vast majority of volcanic eruptions occur near plate boundaries, there are
00:00 Tue 15th May 2001A. Yes, but in a different way to land mammals. Land mammals don't have to think about breathing, it's an involuntary reflex action, controlled by subconscious mechanisms. Consequently land mammals
00:00 Mon 14th May 2001A. Yes, these mountains, of which Everest is part, are still growing as the Earth's continents move, pushing India further north and The Himalayas even higher. The Himalayas are growing about an inch
00:00 Mon 07th May 2001 A. Antlers begin as living, solid bone tissue with a honeycombed structure, covered in velvety skin full of blood vessels to feed the bone essential vitamins and minerals as it grows. After two
00:00 Mon 07th May 2001 A. No, the range they can produce is limited and therefore cannot correspond exactly to any background. Each chameleon has a basic colour, which broadly matches its habitat. Changes in colour are
00:00 Mon 07th May 2001A. Well, this famous saying has recently gained scientific backing. A study of elephants in Kenya has revealed that, yes; some elephants do display a memory. Q. Do all elephants have a memory
00:00 Mon 30th Apr 2001A. Assuming that our feathered friends, the birds, descended from dinosaurs, which seems to be the likeliest scenario at present, there has been much debate regarding this question. A recent fossil,
00:00 Mon 30th Apr 2001A. Spend some time thinking about exactly what you have to offer the puppy and what you expect from it. It's important to consider what kind of dog you'd like the puppy to grow into: a large or
00:00 Mon 30th Apr 2001 Q. Why do crabs walk sideways A. Because that's the only way they can. Crab leg joints have very little movement from side to side, but more in an up and down direction, similar to if you place
00:00 Mon 23rd Apr 2001
